23222221012 has 12 divisors (see below), whose sum is σ = 40703295136. Its totient is φ = 11592708120.

The previous prime is 23222221003. The next prime is 23222221049. The reversal of 23222221012 is 21012222232.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4597758 + ... + 4602805.

Almost surely, 2^23222221012 is an apocalyptic number.

It is an amenable number.

23222221012 is a deficient number, since it is larger than the sum of its proper divisors (17481074124).

23222221012 is a wasteful number, since it uses less digits than its factorization.

23222221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9201198 (or 9201196 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 23222221012 its reverse (21012222232), we get a palindrome (44234443244).

The spelling of 23222221012 in words is "twenty-three billion, two hundred twenty-two million, two hundred twenty-one thousand, twelve".